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Characterization for tractability of finding paths in graphs based on forbidden structures

Research Project

Project/Area Number 16H06931
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Foundations of mathematics/Applied mathematics
Research InstitutionOsaka University

Principal Investigator

Yamaguchi Yutaro  大阪大学, 情報科学研究科, 助教 (30780895)

Project Period (FY) 2016-08-26 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywordsアルゴリズム / グラフ / 離散数学 / 組合せ最適化
Outline of Final Research Achievements

To explore and clarify the theoretical limitation of efficient algorithms for a variety of combinatorial optimization problems, I have investigated problems on paths and matchings in graphs.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Annual Research Report
  • Research Products

    (14 results)

All 2018 2017 2016

All Journal Article (3 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 3 results) Presentation (11 results) (of which Int'l Joint Research: 2 results,  Invited: 4 results)

  • [Journal Article] Making Bipartite Graphs DM-irreducible2018

    • Author(s)
      Kristof Berczi, Satoru Iwata, Jun Kato, Yutaro Yamaguchi
    • Journal Title

      SIAM Journal on Discrete Mathematics

      Volume: 32 Issue: 1 Pages: 560-590

    • DOI

      10.1137/16m1106717

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Stochastic Packing Integer Programs with Few Queries2018

    • Author(s)
      Yamaguchi Yutaro、Maehara Takanori
    • Journal Title

      Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete Algorithms

      Volume: 29 Pages: 293-310

    • DOI

      10.1137/1.9781611975031.21

    • ISBN
      9781611975031
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Packing Non-zero A-paths via Matroid Matching2016

    • Author(s)
      Shin-ichi Tanigawa, Yutaro Yamaguchi
    • Journal Title

      Discrete Applied Mathematics

      Volume: 214 Pages: 169-178

    • DOI

      10.1016/j.dam.2016.06.001

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed
  • [Presentation] クエリ可能な確率的詰め込み問題2018

    • Author(s)
      前原 貴憲, 山口 勇太郎
    • Organizer
      日本OR学会 「離散アルゴリズムの応用と理論」研究部会 第10回研究会
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] クエリ可能な確率的重み付き詰め込み問題2018

    • Author(s)
      前原 貴憲, 山口 勇太郎
    • Organizer
      電子情報通信学会 コンピュテーション研究会 (COMP)
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] グラフにおけるマッチング・パス詰め込み問題2018

    • Author(s)
      山口 勇太郎
    • Organizer
      手形L4研究集会
    • Related Report
      2017 Annual Research Report
  • [Presentation] マッチングとパス詰め込み2017

    • Author(s)
      山口 勇太郎
    • Organizer
      日本OR学会 「最適化の基盤とフロンティア」研究部会 (WOO) 第11回研究会
    • Place of Presentation
      沖縄県市町村自治会館, 沖縄県那覇市
    • Year and Date
      2017-03-14
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] On Applications of Weighted Linear Matroid Parity2017

    • Author(s)
      Yusuke Kobayashi, Yutaro Yamaguchi
    • Organizer
      The 10th Japanese-Hungarian Symposium on Discrete Mathematics and Its Applications
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Stochastic Packing Integer Programs with Few Queris2017

    • Author(s)
      前原 貴憲, 山口 勇太郎
    • Organizer
      apanese Conference on Combinatorics and its Applications (JCCA 2017) 離散数学とその応用研究集会2017
    • Related Report
      2017 Annual Research Report
  • [Presentation] 確率的重み付き詰め込み問題に対する省クエリ解法2017

    • Author(s)
      前原 貴憲, 山口 勇太郎
    • Organizer
      日本応用数理学会 2017年度 年会
    • Related Report
      2017 Annual Research Report
  • [Presentation] グラフにおけるパス詰め込み2017

    • Author(s)
      山口 勇太郎
    • Organizer
      基盤(S) 離散構造処理系プロジェクト 「2017年度 秋のワークショップ」
    • Related Report
      2017 Annual Research Report
  • [Presentation] Shortest Disjoint S-paths via Weighted Linear Matroid Parity2016

    • Author(s)
      Yutaro Yamaguchi
    • Organizer
      The 27th International Symposium on Algorithms and Computation (ISAAC 2016)
    • Place of Presentation
      Sydney, Australia
    • Year and Date
      2016-12-12
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 代数的マッチングアルゴリズム2016

    • Author(s)
      山口 勇太郎
    • Organizer
      日本OR学会 関西支部 2016年度 若手研究発表会
    • Place of Presentation
      関西大学うめきたラボラトリ@グランフロント大阪, 大阪府大阪市
    • Year and Date
      2016-10-29
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] 2部グラフのDM既約化2016

    • Author(s)
      岩田 覚, 加藤 純, 山口 勇太郎
    • Organizer
      日本応用数理学会 2016年度 年会
    • Place of Presentation
      北九州国際会議場, 福岡県北九州市
    • Year and Date
      2016-09-13
    • Related Report
      2016 Annual Research Report

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Published: 2016-09-02   Modified: 2019-03-29  

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